A piece of aluminum has a mass of 109 grams and a volume of 20 cm3. What is the density of the aluminum?

2180 g/cm3

5.45 g/cm3

4.55 g/cm3

0.183 g/cm3

How is negative feedback related to homeostasis

Discuss the role of meiosis in gametogenesis.

Based on our consumption of fossil fuels today, what can be predicted will eventually occur? Select all that apply. Fossil fuels will eventually be used up. A new energy source developed to supply the energy needs of the world.

What is an ecological system called that consists of all of its biotic and abiotic factors? A-Community B ecosystem C habitat D pure culture

What limits the species of plants that can grow in an area?

One of the primary functions of DNA in cells is to A. Serve as a storage firm for unused nucleotides B. Occupy space in the nucleus to keep the nucleus from collapsing C. Copy itself exactly for new cells

What feature do lymphatic vessels share with veins that allows lymph to flow in only one direction?

The negative stain is used to the negative stain is used to determine cell size. visualize endospores. determine flagella arrangement. visualize the outer membrane. determine gram reaction.

The visible part of the ear has the ability to stretch significantly, and then recoil back to its original position. Which protein fiber must be present?

Which cellular process takes place in the ribosome that are bound to the endoplasmic reticulum